Results 121 to 130 of about 53,263 (253)

Research on Automatic Control System of Coiled Tubing Unit

Shiyou jixie, 2017
In order to improve the traditional manual operation mode of coiled tubing hydraulic control or electro-hydraulic control, the automatic control system of coiled tubing unit is proposed to improve the unit’s automatic level.
Duan Wenyi, Ma Qing, Meng Fanqiang, Luo Gang, Zhang Fuqiang, Yang Zhimin, Song Zhiguo   +6 more
doaj  

Research on the Analysis of Coiled Tubing Fatigue Life

, 2011
Coiled tubing (CT) and coiled tubing units (CTU) technology has been widely used in oil and gas field since World War II. Coiled tubing fatigue failure is one of the constraints on promoting used.
Yan Bin Cao, Ya Feng Ji, Qing Quan Duan, Hong Zhang   +3 more
core   +1 more source

Engineered Xenogeneic Bone Scaffold with IL‐10 Nanodelivery System: Immunomodulation and BMSC Fate Programming for Skull Defect Repair

Advanced Science, EarlyView.
A multifunctional regenerative composite is constructed by 3D‐printing thermosensitive PNIPAM hydrogel embedded with MPDA@IL‐10 nanoparticles and autologous BMSCs onto antigen‐depleted porcine bone matrix for beagle critical‐sized skull defect reconstruction.
Weihao Lv, Lei Zhang, Fei Fei, Zhibin Wu, Xiuquan Wu, Ya‐nan Dou, Yihao Fu, Hao Chang, Yujie Qiang, Huaxia Xie, Ni An, Leiying Chen, Hongchen Zhang, Min‐Wen Zheng, Hongqing Chen, Xia Li, Zhou Fei   +16 more
wiley   +1 more source

Research on Load Distribution Uniformity of Clamping System of CT Injector Head

Shiyou jixie, 2020
There is no systematic study on the load distribution of the clamping blocks in the entire clamping area of the coiled tubing(CT)injector head. To address the problem, based on the basic theory of structural mechanics, a mechanical model of the injector ...
Hu Zhiqiang, Liu Ying, Song Yang, Yang Gao, Yang Zhimin, Song Zhiguo   +5 more
doaj  

Análisis de falla de tapones inflables Thru Tubing corridos Coiled Tubing durante las operaciones de abandono del pozo Mirasol-1 [PDF]

, 2014
Publicación a texto completo no autorizada por el autorEl documento digital no refiere asesorRealiza el análisis de falla de dos tapones inflables tipo Thru Tubing corridos con Coiled Tubing durante las operaciones de abandono del pozo Mirasol 1 de la ...
Monar Flores, Manuel Alejandro
core  

First-Principles Finite Element Modeling of Coiled Tubing in Directional Wellbores

, 2011
Coiled tubing is utilized in a variety of oil well operations. For applications such as drilling, completions, and remediation, coiled tubing offers the benefits of reduced costs, increased insertion speed, and reduced environmental impact. Coiled tubing
Deepak V. Datye, Lance T. Hill
core   +1 more source

TRIM28‐Derived Peptide Exerts Anti‐Tumor Roles by Stabilizing Tumor Suppressive BRD7 Protein in Multiple Cancers

Advanced Science, EarlyView.
An α‐helical peptide, TAB12, designed to mimic the TRIM28 binding interface, competitively disrupts the TRIM28‐BRD7 interaction, thereby blocking ubiquitin‐mediated degradation of the tumor suppressor BRD7. This stabilization unleashes potent anti‐tumor effects across multiple tumor types with a favorable safety profile, offering a feasible strategy ...
Qingqing Wei, Changning Xue, Mengna Li, Jianxia Wei, Lemei Zheng, Shipeng Chen, Yijie Wang, Yumei Duan, Yanwei Luo, Wei Xiong, Ming Zhou   +10 more
wiley   +1 more source

AMESim-based Study on Dynamic Behavior of Gripping Force of Coiled Tubing Injector Head

Shiyou jixie, 2018
Many problems occur in the coiled tubing operation in oil and gas wells, including coiled tubing slipping, slippage and tubing bite, which seriously threaten the safety of the operation and the life of the coiled tubing.
Ma Weiguo, Lu Lei, Wang Gang, Li Jinhong, Mei Xuesong, Yang Yicheng   +5 more
doaj  

Bypassing Heteronuclear MRI: Metal‐Free Organosilicon Nanotracers for Background‐Free Hotspot 1H Imaging on Clinical Hardware

Advanced Science, EarlyView.
Organosilicon micelles enable background‐free molecular magnetic resonance imaging (MRI) while remaining fully compatible with standard proton (1H) hardware. By exploiting a spectrally silent 1H window at ∼0 ppm, the silicone nanotracer allows hotspot detection by 1H chemical‐shift imaging (CSI) without metals or heteronuclei, enabling direct overlay ...
Martin Orsagh, Dominik Havlicek, Andrea Galisova, Ondrej Sedlacek, Daniel Jirak   +4 more
wiley   +1 more source

F‐Type Pyocin Versus Phage λ Tail: Conserved Hub, Divergent Fibers

Advanced Science, EarlyView.
Near‐atomic cryo‐EM structures of a Gram‐negative F‐type pyocin reveal a conserved tail tip architecture shared with bacteriophage λ together with a previously unrecognized side‐fiber attachment mode. These findings provide new insight into tailocin assembly and host recognition and establish a structural framework for engineering precision ...
Zhiwei Gu, Yufan Xie, Lanxin Wang, Luyan Ma, Xiaofei Ge, Jiawei Wang   +5 more
wiley   +1 more source